https://bugs.kde.org/show_bug.cgi?id=402608
Bug ID: 402608
Summary: Screen occasionally goes black for a second or two
before coming back
Product: plasmashell
Version: 5.14.4
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: generic-crash
Assignee: plasma-b...@kde.org
Reporter: dekaymail+...@gmail.com
Target Milestone: 1.0
SUMMARY
My screen will occassionally black out for a second or so while I am doing
nothing but simply reading Reddit on Firefox. Sometimes it will flash for a
second time just a few seconds later. It almost seems like something is
crashing and restarting, so I've made my best guess and assigned it to the
generic-crash component. Some details on my setup
- running Arch Linux updated just a few days ago
- Ryzen 1700 on an X370 Taichi with 16G of RAM
- ROG-STRIX-RX560 RX 560 Graphic Card with AMDGPU drivers
- using X11 with KWin's OpenGL 3.1 rendering backend
- using Redshit and Plasma applet, but have had the screen flash on me whether
it is enabled or disabled
- screensaver is disabled
- kernel 4.19.11-arch1-1-ARCH
I see these errors from journalctl
Dec 27 08:17:26 ryzen plasmashell[955]:
file:///usr/share/plasma/plasmoids/org.kde.plasma.taskmanager/contents/ui/Task.qml:342:
Unable to assign [undefined] to int
Dec 27 08:17:26 ryzen plasmashell[955]:
file:///usr/share/plasma/plasmoids/org.kde.plasma.taskmanager/contents/ui/Task.qml:342:
Unable to assign [undefined] to int
Dec 27 08:17:26 ryzen plasmashell[955]:
file:///usr/share/plasma/plasmoids/org.kde.plasma.taskmanager/contents/ui/Task.qml:366:
Unable to assign [undefined] to QString
Dec 27 08:17:27 ryzen plasmashell[955]: qt.qpa.xcb: QXcbConnection: XCB error:
2 (BadValue), sequence: 14043, resource id: 52428817, major code: 142
(Unknown), minor code: 3
Dec 27 08:17:27 ryzen plasmashell[955]: qt.qpa.xcb: QXcbConnection: XCB error:
2 (BadValue), sequence: 14046, resource id: 56623111, major code: 142
(Unknown), minor code: 3
STEPS TO REPRODUCE
1. Happens randomly with some amount of time between flashing events: 15-30
minutes??? Sometimes won't happen for hours.
OBSERVED RESULT
Screen goes black for a second or so. Sometimes might happen again a few
seconds later.
EXPECTED RESULT
Screen should not go black.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version: 5.14.4
KDE Frameworks Version: 5.53.0
Qt Version: 5.12.0
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